Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	May 31, 2023	Nov. 30, 2022
Current assets:
Cash	$ 2,298	$ 5,055
Accounts receivable-customers, net of allowance for doubtful accounts of $36,684 and $34,699 in 2023 and 2022, respectively	3,936,349	2,722,298
Inventories, net	11,382,211	10,611,552
Cost and profit in excess of billings	322,339	450,906
Other current assets	220,380	343,618
Total current assets	15,863,577	14,133,429
Property, plant, and equipment, net	6,293,148	6,178,917
Assets held for lease, net	209,172	400,325
Deferred income taxes, net	2,438,182	2,605,395
Other assets	666,258	630,248
Total assets	25,470,337	23,948,314
Current liabilities:
Accounts payable	2,257,058	2,630,966
Customer deposits	561,820	828,565
Billings in excess of cost and profit	782,733	328,041
Income taxes payable	5,000	3,500
Accrued expenses	1,234,662	1,283,204
Line of credit	4,704,059	3,924,500
Current portion of finance lease liabilities	236,385	170,835
Current portion of long-term debt	106,305	97,678
Total current liabilities	9,888,022	9,267,289
Long-term liabilities
Long-term portion of operating lease liabilities	18,796	24,016
Long-term portion of finance lease liabilities	844,279	602,131
Long-term debt, excluding current portion	2,846,086	2,904,241
Total liabilities	13,597,183	12,797,677
Stockholders’ equity:
Common stock – $0.01 par value. Authorized 9,500,000 shares on May 31, 2023 and November 30, 2022; issued 5,110,921 on May 31, 2023 and 5,013,671 on November 30, 2022	51,109	50,137
Additional paid-in capital	4,683,838	4,547,172
Retained earnings	7,403,158	6,754,284
Treasury stock, at cost (72,699 shares in 2023 and 64,574 in 2022)	(264,951)	(200,956)
Total stockholders’ equity	11,873,154	11,150,637
Total liabilities and stockholders’ equity	$ 25,470,337	$ 23,948,314